86973993

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{24971}}^1$

素因数の和:25026

約数の個数: 20

約数和(自身を含む): 132950928

約数和(自身を除く): 45976935

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 24971, 74913, 224739, 674217, 1073753, 2022651, 3221259, 9663777, 28991331, 86973993]

約数ペア:

[(1, 86973993), (3, 28991331), (9, 9663777), (27, 3221259), (43, 2022651), (81, 1073753), (129, 674217), (387, 224739), (1161, 74913), (3483, 24971)]